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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/runtime/SLContext.java @ 18762:0ef23ff7d5a1

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SL: make lookup of NodeInfo annotation more rebust.
author Christian Humer <christian.humer@gmail.com>
date Mon, 29 Dec 2014 23:38:59 +0100
parents e3c95cbbb50c
children 286aef83a9a7
comparison
equal deleted inserted replaced
18761:a665483c3881 18762:0ef23ff7d5a1
124 argumentNodes[i] = new SLReadArgumentNode(null, i); 124 argumentNodes[i] = new SLReadArgumentNode(null, i);
125 } 125 }
126 /* Instantiate the builtin node. This node performs the actual functionality. */ 126 /* Instantiate the builtin node. This node performs the actual functionality. */
127 SLBuiltinNode builtinBodyNode = factory.createNode(argumentNodes, this); 127 SLBuiltinNode builtinBodyNode = factory.createNode(argumentNodes, this);
128 /* The name of the builtin function is specified via an annotation on the node class. */ 128 /* The name of the builtin function is specified via an annotation on the node class. */
129 String name = builtinBodyNode.getClass().getAnnotation(NodeInfo.class).shortName(); 129 String name = lookupNodeInfo(builtinBodyNode.getClass()).shortName();
130 /* Wrap the builtin in a RootNode. Truffle requires all AST to start with a RootNode. */ 130 /* Wrap the builtin in a RootNode. Truffle requires all AST to start with a RootNode. */
131 SLRootNode rootNode = new SLRootNode(this, new FrameDescriptor(), builtinBodyNode, name); 131 SLRootNode rootNode = new SLRootNode(this, new FrameDescriptor(), builtinBodyNode, name);
132 132
133 /* Register the builtin function in our function registry. */ 133 /* Register the builtin function in our function registry. */
134 getFunctionRegistry().register(name, rootNode); 134 getFunctionRegistry().register(name, rootNode);
135 }
136
137 public static NodeInfo lookupNodeInfo(Class<?> clazz) {
138 if (clazz == null) {
139 return null;
140 }
141 NodeInfo info = clazz.getAnnotation(NodeInfo.class);
142 if (info != null) {
143 return info;
144 } else {
145 return lookupNodeInfo(clazz.getSuperclass());
146 }
135 } 147 }
136 148
137 /** 149 /**
138 * This function will parse the given source code, parse the code using the {@link Parser}, and 150 * This function will parse the given source code, parse the code using the {@link Parser}, and
139 * then execute the function named main. To use this method with instrumentation, 151 * then execute the function named main. To use this method with instrumentation,